6FC5850-3YC20-6YA8 - Siemens
**spare part** SINUMERIK 840DE sl CNC software 6-3/31-5 with SINUMERIK Operate, 6 languages de, en, fr, es, it, zh-CHS export software 2.4SP2 software 2.5 SP1 HF1/2.5 SP2 software 2.6 HF2/2.6 HF4 on DVD, without license the certification according to IEC 61508 will be requested, but is not yet available